[Code of Federal Regulations] [Title 5, Volume 1, Parts 1 to 699] [Revised as of January 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR550.342] [Page 515] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT PART 550--PAY ADMINISTRATION (GENERAL)--Table of Contents Subpart C--Allotments and Assignments From Federal Employees Sec. 550.342 Limitation of allotment. (a) An agency shall permit an employee to make an allotment for a charitable contribution to a Combined Federal Campaign only when the employee is employed in an area in which a Combined Federal Campaign authorized by the Office of Personnel Management is established. (b) An allotment to a Combined Federal Campaign shall be: (1) For a term of 1 year beginning with the first pay period which begins in January and ending with the last pay period which begins in December, and (2) An equal amount deducted each pay period. Minimum deductions will be established by agreement between OPM and officials of the Combined Federal Campaign. (c) The allotter may not change the amount deducted each pay period during the term of an allotment to a Combined Federal Campaign. The allotter shall be informed of this restriction before the allotment is requested. (d) The allotter may voluntarily discontinue the allotment at any time, but a discontinued allotment may not be reinstated. Income Tax Withholding